Editore: Wyoming Geological Association, Casper, WY, 1962
Da: Prairie Creek Books LLC., Torrington, WY, U.S.A.
Prima edizione
Hardcover. Condizione: Fair. Condizione sovraccoperta: None. Photographs, Figures (illustratore). 1st Edition. Fair/none, used, cream embossed hard covers, with raised blue text on spine and upper, 339pp plus maps in pocket on rear paste-down. Interior clean, no marks except former owners name on front paste down, Upper hinge is cracked. Shelf rubbing to exterior with soiling on edges. Reading copy only.
Editore: Wyoming Geological Association, 1962
Da: Catron Grant Books, Rio Rancho, NM, U.S.A.
Hard Cover. Condizione: Fair. Condizione sovraccoperta: No Jacket as Published. Ex-Library. 339 pp.Text is clean and unmarked. Text block is detached from spine. Nine folding maps in pocket attached to endpapers. White embossed leatherette boards with stamped cowboy ona bucking horse are soiled. Size: 4to - over 9¾" - 12" tall.
Editore: Sierra Club PA Chapter & Western PS Conservancy, Pittsburgh, 2004
Da: THE OLD LIBRARY SHOP, Bethlehem, PA, U.S.A.
Hard Cover. Condizione: vg. 126pp; 9" tall; b/w maps, ils, & photos; yellow cardstock cover with b/w photo on front. Hardcover.